"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : Compatibility
Case Name   : rename table 异常场景校验
Create At   : 2023/02/25
Owner       : @peilinqian
Description :
    step1:创建兼容B库;
    step2:兼容B库库下创建2张表;
    step3:rename table的表不存在;
    step4:rename table后的表名已存在;
    step5:rename table后的表名前后相同;
Expect      :
    step1:创建兼容B库; expect:创建成功
    step2:兼容B库库下创建2张表; expect:创建成功
    step3:rename table的表不存在; expect:失败
    step4:rename table后的表名已存在; expect:失败
    step5:rename table后的表名前后相同; expect:失败
History     :
"""
import os
import unittest

from testcase.utils.Common import Common
from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant
from testcase.utils.Logger import Logger


class ClientConnection(unittest.TestCase):
    def setUp(self):
        self.log = Logger()
        self.log.info(f"----{os.path.basename(__file__)} start----")
        self.common = Common()
        self.constant = Constant()
        self.sh_primary = CommonSH('PrimaryDbUser')
        self.db_b_name = 'db_renametable_0002'
        self.t_name1 = 't_renametable_0002_1'
        self.t_name2 = 't_renametable_0002_2'
        self.t_name3 = 't_renametable_0002_3'
        self.t_name4 = 't_renametable_0002_4'
        self.err_flag1 = f'ERROR:  relation "public.{self.t_name3}" ' \
            f'does not exist, skipping'
        self.err_flag2 = f'ERROR:  relation "public.{self.t_name2}" ' \
            f'already exists'
        self.err_flag3 = f'ERROR:  relation "public.{self.t_name1}" ' \
            f'already exists'

    def test_set_password(self):
        step_txt = '----step1:创建兼容B库; expect:创建成功----'
        self.log.info(step_txt)
        create_sql = f"drop database if exists {self.db_b_name};" \
            f"create database {self.db_b_name} dbcompatibility='B';"
        create_result = self.sh_primary.execut_db_sql(create_sql)
        self.log.info(create_result)
        self.assertIn(self.constant.CREATE_DATABASE_SUCCESS, create_result,
                      '执行失败' + step_txt)

        step_txt = '----step2:兼容B库库下创建2张表; expect:创建成功----'
        self.log.info(step_txt)
        create_sql = f"drop table if exists {self.t_name1};" \
            f"drop table if exists {self.t_name2};" \
            f"create table {self.t_name1}(a int,b int);" \
            f"create table {self.t_name2}(a int,b int);"
        create_result = self.sh_primary.execut_db_sql(create_sql,
                                                      dbname=self.db_b_name)
        self.log.info(create_result)
        self.assertEqual(create_result.count(
            self.constant.CREATE_TABLE_SUCCESS), 2, '执行失败' + step_txt)

        step_txt = '----step3:rename table的表不存在; expect:失败----'
        self.log.info(step_txt)
        rename_sql = f"rename table {self.t_name3} to {self.t_name4};"
        rename_result = self.sh_primary.execut_db_sql(rename_sql,
                                                      dbname=self.db_b_name)
        self.log.info(rename_result)
        self.assertIn(self.err_flag1, rename_result, '执行失败' + step_txt)

        step_txt = '----step4:rename table后的表名已存在; expect:失败----'
        self.log.info(step_txt)
        rename_sql = f"rename table {self.t_name1} to {self.t_name2};"
        rename_result = self.sh_primary.execut_db_sql(rename_sql,
                                                      dbname=self.db_b_name)
        self.log.info(rename_result)
        self.assertIn(self.err_flag2, rename_result, '执行失败' + step_txt)

        step_txt = '----step5:rename table后的表名前后相同; expect:失败----'
        self.log.info(step_txt)
        rename_sql = f"rename table {self.t_name1} to {self.t_name1};"
        rename_result = self.sh_primary.execut_db_sql(rename_sql,
                                                      dbname=self.db_b_name)
        self.log.info(rename_result)
        self.assertIn(self.err_flag3, rename_result, '执行失败' + step_txt)

    def tearDown(self):
        self.log.info('----this is teardown----')
        step_txt1 = '----删除普通库及B库表; expect:删除成功----'
        self.log.info(step_txt1)
        drop_sql = f"drop table if exists {self.t_name1};" \
            f"drop table if exists {self.t_name2};"
        drop_result1 = self.sh_primary.execut_db_sql(drop_sql,
                                                     dbname=self.db_b_name)
        self.log.info(drop_result1)

        step_txt2 = '----删除普通库及B库; expect:删除成功----'
        self.log.info(step_txt2)
        drop_sql = f"drop database if exists {self.db_b_name};"
        drop_result2 = self.sh_primary.execut_db_sql(drop_sql)
        self.log.info(drop_result2)

        self.log.info('----清理环境断言----')
        self.assertEqual(drop_result1.count(
            self.constant.DROP_TABLE_SUCCESS), 2, '执行失败' + step_txt1)
        self.assertIn(self.constant.DROP_DATABASE_SUCCESS, drop_result2,
                      '执行失败' + step_txt2)

        self.log.info(f'----{os.path.basename(__file__)} end----')
